Color and Observed Mag Error

Mag difference quantiles for B-V = 1.5

Percentile 0.1 1 5 10 50 90 95 99 99.9
Mag_obs - Mag_catalog -2.05 -1.23 -0.66 -0.43 0.05 0.65 0.83 1.34 1.94

Mag DiffMag Diff / Catalog Mag Error
stdev 0.507 mag stdev 2.17

Mag difference quantiles for all, B-V=1.5 or 0.7, and B-V=0.7

Mag DiffMag Diff / Catalog Mag Error
stdev 0.288 magstdev 2.40
stdev 0.214 mag stdev 2.42
stdev 2.831 mag stdev 16.05

Analysis Data

The scripts and data used in this analysis are in /proj/sot/ska/analysis/bad_color_mag_error